/* rand example: guess the number */
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main()
{
  int iSecret, iGuess;

  /* initialize random seed: */
  srand(time(NULL));

  /* generate secret number: */
  iSecret = rand() % 10 + 1;

  do {
    printf("Guess the number (1 to 10): ");
    scanf("%d", &iGuess);
    if (iSecret < iGuess) puts("The secret number is lower");
    else if (iSecret > iGuess) puts("The secret number is higher");
  } while (iSecret != iGuess);

  puts("Congratulations!");
  return 0;
}
